diff --git a/wp-admin/js/user-profile.dev.js b/wp-admin/js/user-profile.dev.js
index 41991f57e9..9897f070e0 100644
--- a/wp-admin/js/user-profile.dev.js
+++ b/wp-admin/js/user-profile.dev.js
@@ -29,48 +29,49 @@
 		}
 	}
 
-	$(document).ready(function() {
+	$(document).ready( function() {
+		var select = $('#display_name');
+
 		$('#pass1').val('').keyup( check_pass_strength );
 		$('#pass2').val('').keyup( check_pass_strength );
 		$('#pass-strength-result').show();
-		$('.color-palette').click(function(){$(this).siblings('input[name="admin_color"]').prop('checked', true)});
-		$('#first_name, #last_name, #nickname').blur(function(){
-			var select = $('#display_name'), current, dub = [], inputs;
-
-			if ( !select.length )
-				return;
-
-			current = select.find('option:selected').attr('id');
-
-			inputs = {
-				display_nickname : $('#nickname').val() || '',
-				display_username : $('#user_login').val() || '',
-				display_firstname : $('#first_name').val() || '',
-				display_lastname : $('#last_name').val() || ''
-			};
-
-			if ( inputs.display_firstname && inputs.display_lastname ) {
-				inputs['display_firstlast'] = inputs.display_firstname + ' ' + inputs.display_lastname;
-				inputs['display_lastfirst'] = inputs.display_lastname + ' ' + inputs.display_firstname;
-			}
-
-			$('option', select).remove();
-			$.each(inputs, function( id, value ) {
-				if ( !value )
-					return;
-
-				var val = value.replace(/<\/?[a-z][^>]*>/gi, '');
-
-				if ( inputs[id].length && $.inArray( val, dub ) == -1 ) {
-					dub.push(val);
-					$('<option />', {
-					  	'id': id,
-						'text': val,
-						'selected': (id == current)
-					}).appendTo( select );
-				}
-			});
+		$('.color-palette').click( function() {
+			$(this).siblings('input[name="admin_color"]').prop('checked', true);
 		});
+
+		if ( select.length ) {
+			$('#first_name, #last_name, #nickname').bind( 'blur.user_profile', function() {
+				var current = select.find('option:selected').attr('id'), dub = [],
+					inputs = {
+						display_nickname  : $('#nickname').val() || '',
+						display_username  : $('#user_login').val() || '',
+						display_firstname : $('#first_name').val() || '',
+						display_lastname  : $('#last_name').val() || ''
+					};
+
+				if ( inputs.display_firstname && inputs.display_lastname ) {
+					inputs['display_firstlast'] = inputs.display_firstname + ' ' + inputs.display_lastname;
+					inputs['display_lastfirst'] = inputs.display_lastname + ' ' + inputs.display_firstname;
+				}
+
+				$('option', select).remove();
+				$.each(inputs, function( id, value ) {
+					if ( ! value )
+						return;
+
+					var val = value.replace(/<\/?[a-z][^>]*>/gi, '');
+
+					if ( inputs[id].length && $.inArray( val, dub ) == -1 ) {
+						dub.push(val);
+						$('<option />', {
+						  	'id': id,
+							'text': val,
+							'selected': (id == current)
+						}).appendTo( select );
+					}
+				});
+			});
+		}
 	});
 
 })(jQuery);